<!--SIF Implementation Specification 2.2-6 (March 17, 2008)-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" targetNamespace="http://www.sifinfo.org/infrastructure/2.x" xmlns:sif="http://www.sifinfo.org/infrastructure/2.x" elementFormDefault="qualified">
  <xs:import namespace="http://www.w3.org/XML/1998/namespace" schemaLocation="imports/xml/xml.xsd" />
  <xs:complexType name="TermInfoType">
    <xs:annotation>
      <xs:documentation>This object provides information about a term; i.e., a reportable period of time.</xs:documentation>
    </xs:annotation>
    <xs:sequence>
      <xs:element name="StartDate" type="xs:date">
        <xs:annotation>
          <xs:documentation>Starting date of the term.</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element name="EndDate" type="xs:date">
        <xs:annotation>
          <xs:documentation>Ending date of the term (CCYYMMDD).</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element name="Description" minOccurs="0" nillable="true" type="xs:normalizedString">
        <xs:annotation>
          <xs:documentation>Text-based description of the term.</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element name="RelativeDuration" minOccurs="0" nillable="true">
        <xs:simpleType>
          <xs:restriction base="xs:decimal">
            <xs:annotation>
              <xs:documentation>Portion of the school year represented by this term, expressed in decimal form precise to 4 decimal places (e.g., 0.1333).</xs:documentation>
            </xs:annotation>
            <xs:minInclusive value="0" xmlns:xs="http://www.w3.org/2001/XMLSchema" />
            <xs:maxInclusive value="1" xmlns:xs="http://www.w3.org/2001/XMLSchema" />
            <xs:fractionDigits value="4" xmlns:xs="http://www.w3.org/2001/XMLSchema" />
          </xs:restriction>
        </xs:simpleType>
      </xs:element>
      <xs:element name="TermCode" minOccurs="0" nillable="true" type="xs:normalizedString">
        <xs:annotation>
          <xs:documentation>Locally-defined code.</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element name="Track" minOccurs="0" nillable="true" type="xs:normalizedString">
        <xs:annotation>
          <xs:documentation>The name, description, or code of the track that contains this term. This is used when there are multiple tracks within a school. For instance, kindergarten commonly has a different set of terms than other grades within the school.</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element name="TermSpan" minOccurs="0" nillable="true" type="sif:TermSpanType" />
      <xs:element name="MarkingTerm" minOccurs="0" nillable="true">
        <xs:annotation>
          <xs:documentation>Does this TermInfo represent a marking period?</xs:documentation>
        </xs:annotation>
        <xs:simpleType>
          <xs:restriction base="xs:token">
            <xs:enumeration value="Yes" />
            <xs:enumeration value="No" />
          </xs:restriction>
        </xs:simpleType>
      </xs:element>
      <xs:element name="SchedulingTerm" minOccurs="0" nillable="true">
        <xs:annotation>
          <xs:documentation>Does this TermInfo represent a scheduling term?</xs:documentation>
        </xs:annotation>
        <xs:simpleType>
          <xs:restriction base="xs:token">
            <xs:enumeration value="Yes" />
            <xs:enumeration value="No" />
          </xs:restriction>
        </xs:simpleType>
      </xs:element>
      <xs:element name="AttendanceTerm" minOccurs="0" nillable="true">
        <xs:annotation>
          <xs:documentation>Does this TermInfo represent an attendance term?</xs:documentation>
        </xs:annotation>
        <xs:simpleType>
          <xs:restriction base="xs:token">
            <xs:enumeration value="Yes" />
            <xs:enumeration value="No" />
          </xs:restriction>
        </xs:simpleType>
      </xs:element>
      <xs:element name="SIF_Metadata" minOccurs="0" nillable="true" type="sif:SIF_MetadataType" />
      <xs:element name="SIF_ExtendedElements" minOccurs="0" nillable="true" type="sif:SIF_ExtendedElementsType" />
    </xs:sequence>
    <xs:attribute name="RefId" use="required" type="sif:RefIdType">
      <xs:annotation>
        <xs:documentation>The ID (GUID) that uniquely identifies this TermInfo entity.</xs:documentation>
      </xs:annotation>
    </xs:attribute>
    <xs:attribute name="SchoolInfoRefId" use="required" type="sif:IdRefType">
      <xs:annotation>
        <xs:documentation>The ID (GUID) that identifies the school where the term is used.</xs:documentation>
      </xs:annotation>
    </xs:attribute>
    <xs:attribute name="SchoolYear" use="required" type="sif:SchoolYearType">
      <xs:annotation>
        <xs:documentation>
							School year for which the information is applicable, expressed as the four-digit year in which the school year ends (e.g., 2007 for the 2006-07 school year).
						</xs:documentation>
      </xs:annotation>
    </xs:attribute>
  </xs:complexType>

  <xs:element name="TermInfo" type="sif:TermInfoType" />

</xs:schema>